From patchwork Thu Feb 11 08:14:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 12082465 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C8F1EC433E0 for ; Thu, 11 Feb 2021 08:15:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9A41064DD1 for ; Thu, 11 Feb 2021 08:15:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229639AbhBKIO4 (ORCPT ); Thu, 11 Feb 2021 03:14:56 -0500 Received: from mx2.suse.de ([195.135.220.15]:41004 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229713AbhBKIOz (ORCPT ); Thu, 11 Feb 2021 03:14:55 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1613031249; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=2DKA6L2pd6twnLJbaKFtef1Eqw4uyo73wD+GdtOOmJg=; b=RD224232epDjd3mCejUHpWiq6Pv3a1KoiWGjCat/j6f/2VZRk9JY96uIByXHidksaNZb8m XOxjFbQ4kUQEo5Cs8YVKku1gNXLwiB7K9go9s/c42+1FSzZAplpGL8f7qRqQofXzsmBjmB C/xzeIaJZd+YirjNDzp03pD1h5wtvPQ= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 357CEAE05 for ; Thu, 11 Feb 2021 08:14:09 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH] btrfs: ordered-extent: fix comment for btrfs ordered extent flag bits Date: Thu, 11 Feb 2021 16:14:05 +0800 Message-Id: <20210211081405.392006-1-wqu@suse.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org There is small error in comment about BTRFS_ORDERED_* flags. The 4 types are for ordered extent itself, not for direct io. Only 3 types support direct io, REGULAR/NOCOW/PREALLOC. Fix the comment to reflect that. Signed-off-by: Qu Wenruo --- fs/btrfs/ordered-data.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h index 99e0853e4d3b..e60c07f36427 100644 --- a/fs/btrfs/ordered-data.h +++ b/fs/btrfs/ordered-data.h @@ -39,8 +39,8 @@ struct btrfs_ordered_sum { */ enum { /* - * Different types for direct io, one and only one of the 4 type can - * be set when creating ordered extent. + * Different types for ordered extents, one and only one of the 4 types + * need to be set when creating ordered extent. * * REGULAR: For regular non-compressed COW write * NOCOW: For NOCOW write into existing non-hole extent